Dynamic shear behavior of alumina-filled epoxy
Thin-walled tubular specimens of alumina-filled epoxy were loaded in torsion at a strain rate of approximately 10/sup 3/ s/sup -1/ using a stored-torque Kolsky bar. In addition to measuring the time resolved shear stress and shear strain in the specimen, the axial stress generated by the dilation of the material during shear deformation was also obtained as a function of time. Tests were conducted at room temperature and at -60/sup 0/C. At room temperature, a moderate amount of plastic deformation occurred before failure. Material dilation was associated with the plastic flow. At -60/sup 0/C, there was a marked increase in failure stress over the failure stress at room temperature. However, little or no plastic deformation or dilation occurred before failure.
- Research Organization:
- Sandia National Labs., Albuquerque, NM (USA)
- DOE Contract Number:
- AC04-76DP00789
- OSTI ID:
- 5182251
- Report Number(s):
- SAND-82-0344; ON: DE82013397
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360403 -- Materials-- Polymers & Plastics-- Mechanical Properties-- (-1987)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450202* -- Explosions & Explosives-- Nuclear-- Weaponry-- (-1989)
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
DATA
DEFORMATION
ELECTRONIC EQUIPMENT
EPOXIDES
EQUIPMENT
EXPERIMENTAL DATA
FAILURES
INFORMATION
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
NEUTRON SOURCES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SOURCES
PLASTICITY
POTTING MATERIALS
POWER SUPPLIES
RADIATION SOURCES
SHEAR PROPERTIES
TEMPERATURE DEPENDENCE
TESTING
TORSION
TUBES
WEAPONS
360403 -- Materials-- Polymers & Plastics-- Mechanical Properties-- (-1987)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450202* -- Explosions & Explosives-- Nuclear-- Weaponry-- (-1989)
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
DATA
DEFORMATION
ELECTRONIC EQUIPMENT
EPOXIDES
EQUIPMENT
EXPERIMENTAL DATA
FAILURES
INFORMATION
MATERIALS
MATERIALS TESTING
MECHANICAL PROPERTIES
NEUTRON SOURCES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC OXYGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PARTICLE SOURCES
PLASTICITY
POTTING MATERIALS
POWER SUPPLIES
RADIATION SOURCES
SHEAR PROPERTIES
TEMPERATURE DEPENDENCE
TESTING
TORSION
TUBES
WEAPONS